diff --git a/build-constraints.yaml b/build-constraints.yaml
index 9de5a478..899c208e 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3871,6 +3871,9 @@ packages:
         # https://github.com/commercialhaskell/stackage/issues/4182
         - pandoc < 2.5
 
+        # https://github.com/commercialhaskell/stackage/issues/4188
+        - chan < 0.0.4
+
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of